here's what you have to do to beat the avifors challenge.jump off the starting platform. destroy the skurge walls on either side of the ledge you land on and press the swithches behind them go through the door the switches open to reach another room. go around until you see a small opening. use lumos and push the panel inside. go out where the panel used to be and climb up to a top platform. move around until you see a platform that you can jump to. keep on jumping from platform to platform,wall sneaking when the jump is too far to make. don't jump close to the wall or you wil fail that jump and have to start from jump #1 all over again. avoid ghosts as well. at the end of the jumps, destroy ectoplasm and go through door. grab spellbook and use it on nearby rock. go on the step it opens and climb up to another rock. use avifors on thisone and use the step it opens to get to a crawlspace. transform the rock blocking it and go through. go up the steps and slide down the nearby slide. jump to the platform on your right. continue on the platform,using avifors and wall sneaking when necessary. at the end is a flipendo switch activate it and go across to the starting platform. jump offf this platform and climb the steps that lead to the bottom of the slide. jump to the platform that is on the opposite side of the one that you jumped to to activate the first flipendo switch. continue on this platform and activate the flipendo switch at the end. the two sides of another platform will connect go across to the starting platform and jump off it. defeat dragon the same way you did in the experaillumus challenge. use avifor son the rock that is where the dragon wa s this will open up a door. go up the steps leading to the bottom of the slide and jump to the platform that leads you to the first flipendo switch. go through this platform to reach the starting platform. go through the door that the avifors rock unblocked. harry will automactially climb up the steps and crawl into the classroom. prof. mcgonagall will award gryffindor 40 points and wood will tell you that you have a very important quidditch match aganist hufflepuff. good luck at the quidditch match!